Establishment and practice of land subsidence control and management system for deep foundation pit dewatering in Shanghai

Huang, Xinlei; Yang, Tianliang; Wu, Jianzhong; Lin, Jinxin; He, Ye

At present, large-scale engineering construction activities, especially deep foundation pit dewatering, are important factors of land subsidence in Shanghai, which induces uneven land subsidence. To solve this problem, this paper puts forward a technical approach to prevention and control the land subsidence. Based on the practice of joint work by multiple administrative departments in Shanghai, this paper further combines the technology and management measures effectively, and summarizes the management system of land subsidence control for deep foundation pit dewatering. Meanwhile, this paper provides the key workflow, starting from the whole process control of construction project for feasibility demonstration, design, construction and completion. The practice shows that the whole process of deep foundation pit dewatering control and management provides a powerful guarantee for land subsidence prevention and control.

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Huang, Xinlei / Yang, Tianliang / Wu, Jianzhong / et al: Establishment and practice of land subsidence control and management system for deep foundation pit dewatering in Shanghai. 2020. Copernicus Publications.

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